Fastly (FSLY) Could Be 402% Overvalued As Experian Partnership Lifts AI Commerce Narrative

Fastly (FSLY) stock is back in focus after the company joined Experian's Agent Trust ecosystem, a collaboration aimed at securing AI driven commerce by verifying AI agents and authorizing their transactions at the network edge.

See our latest analysis for Fastly.

The Experian partnership arrives at a time when Fastly's share price has gained strong short term momentum, with a 1 day share price return of 8.34%, a 7 day return of 19.95% and a 30 day return of 37.62%. However, the 90 day return is down 20.97%. Over a longer horizon, the year to date share price return of 144.85% sits alongside a 1 year total shareholder return of 291.07% and a 5 year total shareholder return that is down 41.02%. This points to sharp recent momentum following a tougher multi year period.

If Fastly's move into AI driven edge security has your attention, it can be useful to see what other AI infrastructure players look like right now through 56 AI infrastructure stocks.

Bulls see Fastly’s Experian tie up as proof the edge platform sits at the heart of AI commerce, while bears point to losses and past share price swings. Which story do the current valuation numbers support next?

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Most Popular Narrative: 402% Overvalued

Fastly closed at $24.95, while the most followed narrative on the stock pegs fair value well below that level and frames the upside as narrative driven rather than number driven.

FSLY is one of those companies, offering Edge Computing services (processing data in localised servers rather than sending it to a central location). If the Agentic economy kicks off like many suspect, this company may be one of the stars of the scene.

Read the complete narrative.

The current fair value view leans heavily on revenue expansion, improving margins and a future earnings multiple that assumes strong demand for edge services. Curious which specific growth and profitability assumptions have to hold for that gap between price and narrative value to make sense.

Result: Fair Value of $4.97 (OVERVALUED)

Have a read of the narrative in full and understand what's behind the forecasts.

However, there are clear risks to the Fastly story, including ongoing net losses of $103.053 million and a share price that sits far above the $4.97 fair value narrative.

Find out about the key risks to this Fastly narrative.

Another View: Fastly’s P/S Ratio Sends A Different Signal

While the most popular Fastly narrative sees the stock as very stretched versus a $4.97 fair value, the company looks different when you focus on the P/S ratio. Fastly trades at 6x sales, which is far below peer averages of 19.2x but well above the US IT sector at 1.8x.

The current 6x P/S is also higher than the fair ratio of 3.6x that the market could eventually move toward. That mix of cheaper pricing than close peers yet richer pricing than the wider sector leaves you weighing whether this is early in a rerating or late in an AI hype cycle.

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:FSLY P/S Ratio as at Aug 2026
NasdaqGS:FSLY P/S Ratio as at Aug 2026

Next Steps

With Fastly's mixed signals on valuation and business momentum, it makes sense to look at both sides of the story and move quickly to your own view. To weigh the concerns against the potential upside in one place, start with the 1 key reward and 3 important warning signs.

Looking for more investment ideas beyond Fastly?

If Fastly has sharpened your focus on where capital can work hardest, do not stop here. Use the Simply Wall Street Screener to pressure test fresh ideas.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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About NasdaqGS:FSLY

Fastly

Operates an edge cloud platform for processing, serving, and securing its customer’s applications in the United States, the Asia Pacific, Europe, and internationally.

Flawless balance sheet with low risk.

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